Expectorant in cough syrups.
The ammonium ion (NH4+) in the body plays an important role in the maintenance of acid-base balance. The kidney uses ammonium (NH4+) in place of sodium...
A H1 receptor antihistamine used in the treatment of seasonal allergies, and various allergic reactions including sneezing, runny nose, itchy/watery eyes, itching of nose or throat, pruritus, urticaria, insect bites/stings, and allergic rashes.